Iron Powder Websites:
tscinternational.com
TSC Ferrite International
Soft Ferrite, Hard Ferrite, Lamination, and Powdered Iron Component Manufacturer
mmgca.com
Soft ferrites, iron powder and permanent magnet materials and components from...
MMG manufactures ferrite cores, iron powder cores, welding impeders, ferrite magnets, neodymium magnets, rare earth magnets, alnico magnets, mpp cores and lamination cores